681045119 has 8 divisors (see below), whose sum is σ = 687622320. Its totient is φ = 674496576.

The previous prime is 681045091. The next prime is 681045161. The reversal of 681045119 is 911540186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 681045119 - 2⁸ = 681044863 is a prime.

It is a super-2 number, since 2×681045119² = 927644908227448322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681005119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42212 + ... + 56070.

It is an arithmetic number, because the mean of its divisors is an integer number (85952790).

Almost surely, 2^681045119 is an apocalyptic number.

681045119 is a deficient number, since it is larger than the sum of its proper divisors (6577201).

681045119 is a wasteful number, since it uses less digits than its factorization.

681045119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14329.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 681045119 is about 26096.8411689997. The cubic root of 681045119 is about 879.8162146327.

The spelling of 681045119 in words is "six hundred eighty-one million, forty-five thousand, one hundred nineteen".